// pages/product/produst.js
var urlPath = require('../../config.js');

Page({

	/**
	 * 页面的初始数据
	 */
	data: {
		host:urlPath.host,
		list: {},
		threeList: {},
		curCaseIndex: 0,
		curThreeCode: [],
		carbon: 0,
		paid_money: '0',
		id: 0,
		tree_num: {},
		icon: "/img/nav/menu1.png",
		priceList: {},
		carbon_neutralization:0,
		carbon_efficiency:'0.00',
	},
	casesChange(event){
	
		this.setData({
			curCaseIndex:event.detail.value,
			priceList: {},
			curThreeCode: [],
			tree_num: {},
			paid_money: 0,
			carbon_neutralization:0,
			carbon_efficiency:"0.00",
		})
	}
	,
	numChange(event) {
		const {
			num,
			nameId
		} = event.detail
		const {
			price,
			name,
			carbon_base
		} = event.mark
		let all_list = {}
		console.log(num,'11')
		all_list = Object.assign({}, this.data.priceList, all_list)
		if (this.data.curThreeCode.indexOf(nameId) != -1) {
			if(num == 0){
				delete  all_list[nameId]
				this.data.curThreeCode.splice(this.data.curThreeCode.indexOf(nameId),1)
				this.setData({
					curThreeCode:this.data.curThreeCode
				})
			}else{
				all_list[nameId] = {
					price: price,
					num: num,
					name: name,
					all: price * num,
					carbon_base:   carbon_base * num
				}
			
			}
		} else {
			if(num>0){
				var data = this.data.curThreeCode
				data.push(nameId)
				this.setData({
					curThreeCode:data
				})
				all_list[nameId] = {
					price: price,
					num: num,
					name: name,
					all: price * num,
					carbon_base:   carbon_base * num
				}
			}
			// return
		}
		console.log(all_list)
		this.setMoneyNum(all_list);
		
	},
	setMoneyNum:function(all_list){
		
		var all_price = 0
		var carbon_neutralization=0,carbon_efficiency = 100
		for (var p in all_list) {
			all_price = all_price + all_list[p].all
			carbon_neutralization= parseFloat( carbon_neutralization) + all_list[p].carbon_base;
		}
		carbon_efficiency = (parseFloat(carbon_neutralization)/parseFloat(this.data.carbon))*100
		
	
		this.setData({
			priceList: all_list,
			paid_money: all_price,
			carbon_neutralization:parseInt(( carbon_neutralization*100))/100,
			carbon_efficiency:carbon_efficiency.toFixed(2),
		})
	},
	setMoney: function (e) {
		//数量= 排放量 / 植物的碳汇量基数
		// ，价格 = 每棵树价格 * 数量
		var that = this
		var {
			money,
			name,
			carbon_base
		} = e.currentTarget.dataset;
		let i = that.data.curThreeCode.indexOf(e.currentTarget.dataset.code);
		this.data.tree_num[e.currentTarget.dataset.code] = 1
		if (i == -1) {
			that.data.curThreeCode.push(e.currentTarget.dataset.code);
		} else {
			//取消选中
			that.data.curThreeCode.splice(i, 1);
			delete this.data.priceList[e.currentTarget.dataset.code]
			this.data.tree_num[e.currentTarget.dataset.code] =0
		}
		var new_att = []
		// 拿出已经存在的价格数量判断取消的内容
		for (var p in this.data.priceList) {
			new_att.push(p)
		}
		// 计算不在列表的数据加入默认数量1科
		that.data.curThreeCode.map(item => {
			if (new_att.indexOf(item) == -1) {
				this.data.priceList[item] = {
					price: money,
					num: 1,
					name: name,
					all: money * 1,
					carbon_base:parseFloat( carbon_base)
				}
			}
		})
		this.setData({
			curThreeCode: that.data.curThreeCode,
			priceList: that.data.priceList,
			tree_num:that.data.tree_num,
			carbon_neutralization:0
			// carbon:e.mark.carbon
		})
		console.log(that.data.priceList)
		// 重新计算数目的结果
		this.setMoneyNum(this.data.priceList)
		//console.log(this.data.priceList);
	},
	/**
	 * 生命周期函数--监听页面加载
	 */
	onLoad: function (options) {
		if (options.icon != undefined) {
			this.setData({
				icon: options.icon
			})
		}
		this.getOne(options)
	},
	moneyset: function (e) {
		this.setData({
			paid_money: e.detail.value
		})
	},
	getOne: function (options) {
		var that = this
		var carbon = (options.carbon != undefined ? options.carbon : "");
		var id = (options.id != undefined ? options.id : "");
		wx.request({
			url: urlPath.gMarketDetail,

			header: {
				'content-type': 'application/x-www-form-urlencoded'
			},
			method: 'post',

			dataType: 'json', // 添加这个配置
			data: {
				id: id,
				'openid': wx.getStorageSync('openid'),
			},
			success(res) {
				if (res.data.result == 'success') {
					that.setData({
						list: JSON.parse(res.data.data),
						carbon: carbon,
						id: id
					})

				} else {
					console.log(res.data.msg); //失败
				}
			}
		})
		wx.request({
			url: urlPath.getThreeList,

			header: {
				'content-type': 'application/x-www-form-urlencoded'
			},
			method: 'post',

			dataType: 'json', // 添加这个配置
			data: {
				id: id,
				'openid': wx.getStorageSync('openid')
			},
			success(res) {
				if (res.data.result == 'success') {
					var threeList = JSON.parse(res.data.data);
					console.log(threeList)
					// var money = threeList.trees[0].price
					that.setData({
						threeList: threeList,
						//TODO 这里赋值应该用数组
						// curThreeCode: [JSON.parse(res.data.data).trees[0].coding],
						// carbon:JSON.parse(res.data.data).trees[0].carbon_base,
						// paid_money: money.toFixed(2)
					})
				} else {
					console.log(res.data.msg); //失败
				}
			}


		});
		
		
	},
	/**
	 * 生命周期函数--监听页面初次渲染完成
	 */
	onReady: function () {

	},

	/**
	 * 生命周期函数--监听页面显示
	 */
	onShow: function () {

	},

	/**
	 * 生命周期函数--监听页面隐藏
	 */
	onHide: function () {

	},

	/**
	 * 生命周期函数--监听页面卸载
	 */
	onUnload: function () {

	},

	/**
	 * 页面相关事件处理函数--监听用户下拉动作
	 */
	onPullDownRefresh: function () {

	},

	/**
	 * 页面上拉触底事件的处理函数
	 */
	onReachBottom: function () {

	},

	/**
	 * 用户点击右上角分享
	 */
	onShareAppMessage: function () {

	},
	toPay() {
		var that = this
		var tree_items = []
		for(var p in this.data.priceList)
		{
			tree_items.push({
				coding:p,
				amount:this.data.priceList[p].num
			})
		}
		console.log(tree_items,'tree_items')
		wx.request({
			url: urlPath.postPayData, //仅为示例，并非真实的接口地址
			data: {
				'openid': wx.getStorageSync('openid'),
				footmark_id: this.data.list.id,
				case_coding: this.data.threeList.cases[this.data.curCaseIndex].coding,
				tree_items:JSON.stringify(tree_items),
				// tree_coding: this.data.curThreeCode[0], //TODO 这里获取数组[0]
				// tree_amount: this.data.list.discharge_amount / this.data.carbon,
				paid_money: this.data.paid_money
			},
			header: {
				'content-type': 'application/x-www-form-urlencoded'
			},
			dataType: 'json', // 添加这个配置
			method: 'post',
			success(res) {
				if (res.data.result == 'fail') {

					wx.showModal({
						title: '提示',
						content: res.data.message,

					})
					// wx.showLoading({
					//   title: res.data.message,
					// })
				} else {
					var data = JSON.parse(res.data.data)
					wx.requestPayment({
						timeStamp: String(data.prepay_data.timeStamp),
						nonceStr: data.prepay_data.nonceStr,
						package: data.prepay_data.package,
						signType: data.prepay_data.signType,
						paySign: data.prepay_data.paySign,
						success(res) {

							//支付成功
							wx.request({
								url: urlPath.apiNeutralizationPaid, //查询
								data: {
									'openid': wx.getStorageSync('openid'),
									neutralization_id: data.neutralization_id,
								},
								header: {
									'content-type': 'application/x-www-form-urlencoded'
								},
								dataType: 'json', // 添加这个配置
								method: 'post',
								success(res) {
									if (res.data.result == "success") {
										wx.navigateTo({
											url: '/pages/payment/payment?paid_money=' +
												that.data.paid_money + "&&id=" +
												that.data.id
										});
									}

								}
							})



						},
						fail(res) {
							wx.showToast({
								title: '支付失败',
								icon: 'error',
								duration: 2000
							})
							console.log(res, '2222')
						}
					})
				}
			}
		})
	}
})